I have never bothered trying to use a DVI connector for monitors, so have no idea what the problem is here.
I just had a new monitor delivered and was trying to 'add' the second one - no joy.
I then tried using only the new one (DVI) - no joy.
With VGA only, it is fine.
Using the nVidia configuration control panel, it sees the new monitor and lets me change resolution, etc - but no power/signal.
Year old system (XP Pro) with:
Gigabyte GA-EP45-UD3P and
EVGA 512-P3-N975-AR GeForce 9800 GT
This might be as simple as some kind of BIOS setting, but having zero experience thought I would post before I screw something up.
I've done a wide variety of "Google" searches, but can't find anything that really applies.
The drivers for both monitors (LG and Viewsonic) are the latest and I am checking for any updates on the BIOS.
Edit: During the boot up process, there is full display with the DVI connector. I can get into "Safe Mode" with the DVI - but "Monitor" is NOT displayed when I go to "Device Manager".